2564496

Information

• Patent Grant
• 2564496

• References
• Source

• Patent Number

  2,564,496

• Date Filed

  Not available

• Date Issued

  Tuesday, August 14, 1951
  74 years ago

• CPC

  • B24B3/242 - of step drills
  • Y10T82/2597 - Center rest

• US Classifications

  • 451 - Abrading
  • 082 - Turning